19187679

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 31435776

約数和(自身を除く): 12248097

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 757, 1207, 1491, 2271, 3621, 5299, 8449, 12869, 15897, 25347, 38607, 53747, 90083, 161241, 270249, 376229, 913699, 1128687, 2741097, 6395893, 19187679]

約数ペア:

[(1, 19187679), (3, 6395893), (7, 2741097), (17, 1128687), (21, 913699), (51, 376229), (71, 270249), (119, 161241), (213, 90083), (357, 53747), (497, 38607), (757, 25347), (1207, 15897), (1491, 12869), (2271, 8449), (3621, 5299)]